
ops = ["Skiplist","add","add","add","add","add","add","add","add","add","erase","search","add","erase","erase","erase","add","search","search","search","erase","search","add","add","add","erase","search","add","search","erase","search","search","erase","erase","add","erase","search","erase","erase","search","add","add","erase","erase","erase","add","erase","add","erase","erase","add","add","add","search","search","add","erase","search","add","add","search","add","search","erase","erase","search","search","erase","search","add","erase","search","erase","search","erase","erase","search","search","add","add","add","add","search","search","search","search","search","search","search","search","search"]
paras = [[],[16],[5],[14],[13],[0],[3],[12],[9],[12],[3],[6],[7],[0],[1],[10],[5],[12],[7],[16],[7],[0],[9],[16],[3],[2],[17],[2],[17],[0],[9],[14],[1],[6],[1],[16],[9],[10],[9],[2],[3],[16],[15],[12],[7],[4],[3],[2],[1],[14],[13],[12],[3],[6],[17],[2],[3],[14],[11],[0],[13],[2],[1],[10],[17],[0],[5],[8],[9],[8],[11],[10],[11],[10],[9],[8],[15],[14],[1],[6],[17],[16],[13],[4],[5],[4],[17],[16],[7],[14],[1]]
ans = "null,null,null,null,null,null,null,null,null,null,true,false,null,true,false,false,null,true,true,true,true,false,null,null,null,false,false,null,false,false,true,true,false,false,null,true,true,false,true,true,null,null,false,true,false,null,true,null,true,true,null,null,null,false,false,null,true,false,null,null,true,null,false,false,false,true,true,false,true,null,true,false,false,false,true,true,false,false,null,null,null,null,true,true,true,true,true,true,false,false,true"
my_ans = "null,null,null,null,null,null,null,null,null,null,true,false,null,true,false,false,null,true,true,true,true,false,null,null,null,false,false,null,false,false,true,true,false,false,null,true,true,false,true,true,null,null,false,true,false,null,true,null,true,true,null,null,null,false,false,null,true,false,null,null,true,null,false,false,false,true,true,false,false,null,true,false,false,false,false,true,false,false,null,null,null,null,true,true,true,true,true,true,false,false,true"
ans = ans.split(",")
my_ans = my_ans.split(",")
my_ans = ['"' + x + '"' for x in my_ans]
print(ans)

cpp_ans = "null,null,null,null,null,null,null,null,null,null,true,false,null,true,false,false,null,true,true,true,true,false,null,null,null,false,false,null,false,false,true,true,false,false,null,true,true,false,true,true,null,null,false,true,false,null,true,null,true,true,null,null,null,false,false,null,true,false,null,null,true,null,false,false,false,true,true,false,false,null,true,false,false,false,false,true,false,false,null,null,null,null,true,true,true,true,true,true,false,false,true"
cpp_ans = cpp_ans.split(",")
# for i in range(len(cpp_ans)):
#     if cpp_ans[i] != ans[i]:
#         print(i)
#         print(cpp_ans[i])
#         print(ans[i])
#         print(paras[i])

for i in range(len(paras)):
    if paras[i] == [9]:
        print(i)
        print(ops[i])

# paras_for_cpp = []
# for x in paras:
#     if len(x) == 0:
#         paras_for_cpp.append(-1)
#     else:
#         paras_for_cpp.append(x[0])
# print(paras_for_cpp)

# for i in range(len(ops)):
#     print(ops[i])
#     print(paras[i])
#     print("==" * 30)

# for i in range(len(ans)):
#     if ans[i] != my_ans[i]:
#         print(ops[i])
#         print(paras[i])
#         print("===" * 30)
